<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.bootcss.com/vue/2.5.18-beta.0/vue.js"></script>

</head>
<body>
    <div id="app">
        <div v-for="(item,index) of arr">
            {{item}}--{{index}}
        </div>
        <div v-for="(item,index) of obj" >
            {{item}}--{{index}}
        </div>
    </div>
    <script>
        new Vue({
            el:"#app",
            data:{
                arr:["jack","mike","nike"],
                obj:{name:"cheng",age:30,sex:"male"}
            }
        })
    </script>
</body>
</html>